add basic-docker-compose (#59)

docs/examples/docker/basic-docker-compose/docker-compose.yml

@@ -0,0 +1,20 @@
+version: '3'
+services:
+
+  copyparty:
+    image: copyparty/ac:latest
+    container_name: copyparty
+    user: "1000:1000"
+    ports:
+      - 3923:3923
+    volumes:
+      - ./:/cfg:z
+      - /path/to/your/fileshare/top/folder:/w:z
+
+    stop_grace_period: 15s  # thumbnailer is allowed to continue finishing up for 10s after the shutdown signal
+    healthcheck:
+      test: ["CMD-SHELL", "wget --spider -q 127.0.0.1:3923/?reset"]
+      interval: 1m
+      timeout: 2s
+      retries: 5
+      start_period: 15s